var a = "";
var b = "";
var c = ",1,,3";
var d = "" + foo;
var e = [foo, "-", bar].join("-");
var f = "" + foo + bar;
var g = "foo" + bar + "baz";
var h = ["-foo-", bar + "baz"].join("-");
var i = "foo" + bar + baz + "moo";
var j = foo + "bar" + baz;
var k = foo + "bar" + baz;
var l = foo + (bar + "baz");
